Graphing Calculator Texas Instruments TI-89 Titanium Engineering Calculator, TI89, TI89T, T189

Check out these awesome refurbished TI-89 Titanium Graphing Calculators. When we say "refurbished" we actually mean it. Each calculator goes through a 16-point inspection to ensure everything is working flawless for you to ace your exams! Pick up yours while our SALE is on!

Graphing Calculator Texas Instruments TI-89 Titanium Engineering Calculator, TI89, TI89T, T189 Features:

• Type away and solve complex mathematical problems with the push of a few buttons. With its sleek design, this TI-89 Titanium calculator looks as smooth as it functions.
• This model uses a dot matrix display and an LCD screen. Its screen size is 3.2 inches diagonally.
• The TI-89 gives you the ability to check your answer and enter basic information in stored programs.
• Ample storage makes saving functions for future use quick and easy.
• It has a preloaded computer algebra system (CAS). This allows you to perform functions used in engineering and science-related fields.
• Use the TI-89 Titanium graphing calculator to calculate derivatives, differential equations, and algebra. It is ideal for students who are taking AP calculus, college calculus, and other math classes.
• The TI-89 Titanium graphing calculator uploads and downloads data. Connect the TI-89 Titanium graphing calculator to other calculators with the linking accessories.
• Graph equations or create animations with this customizable graphing calculator. You have the ability to transform a calculus problem into a graphed image to learn the answer to a question.
• The TI-89 evaluates trigonometry expressions and shows them as exact number values. You can also use its special calculus functions to get all the multiple solutions for an expression.
• The manual graphing options on the TI-89 also include algebraic factoring, partial fraction decomposition, and algebraic simplification.
• These Texas Instruments products are accepted for use on the SAT and ACT standardized examinations. Share notes and equations between other Texas Instruments calculators while studying with friends or working in class using the built-in USB port.
• This TI-89 Titanium graphing calculator has a Motorola 68000 central processing unit to speedily solve advanced mathematics problems. Its frequency ranges from 10 to 16 MHz.
• The user memory of the TI-89 Titanium graphing calculator includes 256 KB of RAM with 188 KB of it being user accessible.
• These Texas Instruments graphing calculators also have 2 MB of flash memory, and 639 KB of it is user accessible.
• This TI-89 graphing calculator uses four AAA batteries and a CR1616 or CR1620 battery. The AAA units last for about three weeks of daily use, and the CR1616 or CR1620 unit lasts for about three years.
• The automatic shutoff keeps the batteries lasting as long as possible.
• The durable cover fits on the calculator's back while you are using it. When you finish, simply slide the cover back onto the front of the device to protect the display and keypad. The cover is designed to protect the input ports at all times.
• There is also an information manual to guide you on programming this TI-89 graphing calculator. The TI-89 book offers more information about the programmed functions.
• Whether you are doing simple addition or solving a complex math equation, this Titanium calculator does it all with its powerful problem-solving capabilities.

Package Includes:

• Mint Condition TI-89 Titanium Calculator
• USB data cable
• 4 New AAA Batteries
• Slide Cover
• Battery Back